CN111411840A

CN111411840A - Auxiliary lock

Info

Publication number: CN111411840A
Application number: CN202010217266.7A
Authority: CN
Inventors: 姚明成
Original assignee: Jiangsu Haoyue Automobile Technology Co ltd
Current assignee: Jiangsu Haoyue Automobile Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-07-14

Abstract

The auxiliary lock comprises an upper cover plate, a lower cover plate and a lock body, wherein a ratchet shaft and a pawl shaft are arranged on the lock body, a ratchet wheel is arranged on the ratchet shaft, and a ratchet wheel return spring is arranged on the lock body and the ratchet wheel; a pawl is arranged on the pawl shaft, and a pawl return spring is arranged on the lock body and the pawl; a stay cable supporting seat is arranged at the pawl end of the lock body, and a stay cable penetrates through the stay cable supporting seat and is fixedly connected with the zinc alloy casting head; the zinc alloy casting head is clamped on the pawl; the upper part of the lock body is also provided with an upper cover plate, and the lower part of the lock body is also provided with a lower cover plate; the lower cover plate vertical surface is provided with a lock catch positioning block, a lock catch positioning spring is sleeved on the lock catch positioning block, a lock catch positioning shell is sleeved on the lock catch positioning block and the lock catch positioning spring, and the lock catch positioning shell is clamped on the lower cover plate 7 vertical surface through four buckles and is riveted. The invention has reasonable structure, the secondary lock is not influenced by the relation of the primary lock and the environmental factors such as vibration, the stay cable is prevented from falling off, and the safety performance is improved.

Description

Auxiliary lock

Technical Field

The invention relates to the technical field of automobile door locks, in particular to an N526A auxiliary lock.

Background

At present, along with the continuous enhancement of the safety consciousness of people, the requirement on the safety of the lockset is higher and higher. The auxiliary lock is generally used as an auxiliary lock, is matched with a rear double-door main lock body or a related actuating mechanism to complete the opening and closing functions of a side door, and can also be directly matched with a handle or a transmission mechanism to be used for opening and closing a pick-up truck container or other non-vehicle door systems needing to be opened and closed. Function is opened to current lock: the matched main lock or the actuating mechanism inhaul cable pulls the pawl to release the ratchet wheel to realize the function of opening the door lock; when the auxiliary lock and the main lock or the actuating mechanism are closed and locked, the auxiliary lock is influenced by the relation of the main lock and the environmental factors such as vibration, and sometimes the inhaul cable falls off when the main lock or the actuating mechanism drives the inhaul cable to link.

Disclosure of Invention

The invention aims to solve the technical problems and provide a secondary lock with reliable performance.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: vice lock, including upper cover plate, lower apron, lock body, its characterized in that: the lock body is provided with a ratchet shaft and a pawl shaft, the ratchet shaft is provided with a ratchet, and a ratchet return spring is arranged on the lock body and the ratchet; a pawl is arranged on the pawl shaft, and a pawl return spring is arranged on the lock body and the pawl; a stay cable supporting seat is arranged at the pawl end of the lock body, and a stay cable penetrates through the stay cable supporting seat and is fixedly connected with the zinc alloy casting head; the zinc alloy casting head is clamped on the pawl; the upper part of the lock body is also provided with an upper cover plate, and the lower part of the lock body is also provided with a lower cover plate; the lower cover plate vertical surface is provided with a lock catch positioning block, a lock catch positioning spring is sleeved on the lock catch positioning block, a lock catch positioning shell is sleeved on the lock catch positioning block and the lock catch positioning spring, and the lock catch positioning shell is clamped on the lower cover plate 7 vertical surface through four buckles and is riveted.

Preferably: the ratchet shaft penetrates through the upper cover plate, the lock body and the lower cover plate, the upper end of the ratchet shaft is riveted with the upper cover plate, and the lower end of the ratchet shaft is riveted with the lower cover plate.

Preferably: the pawl shaft penetrates through the upper cover plate, the lock body and the lower cover plate, the upper end of the pawl shaft is riveted with the upper cover plate, and the lower end of the pawl shaft is riveted with the lower cover plate.

Preferably: and the pawl is provided with a clamping groove connected with the zinc alloy casting head.

The cable pulling device is reasonable in structure, wide in matching performance and strong in universality, does not have influence on the relationship of master lock and environmental factors such as vibration, prevents the cable from falling off, and improves the safety performance.

Drawings

FIG. 1 is an exploded view of the present invention;

in the figure: 1. the upper cover plate 2, the ratchet 3, the pawl 4, the lock body 5, the pawl return spring 6, the pawl shaft 7, the lower cover plate 8, the lock catch positioning spring 9, the lock catch positioning block 10, the lock catch positioning shell 11, the shock absorption block 12, the ratchet shaft 13, the ratchet return spring 14, the cable support seat 15 and the cable 16 are provided with a zinc alloy casting head.

Detailed Description

The invention will be further explained with reference to the drawings.

In the figure: vice lock, including upper cover plate 1, lower apron 7, lock body 4, its characterized in that: the lock body 4 is provided with a ratchet shaft 12 and a pawl shaft 6, the ratchet shaft 12 is provided with a ratchet 2, and a ratchet return spring 13 is arranged on the lock body 4 and the ratchet 2; the pawl shaft 6 is provided with a pawl 3, and a pawl return spring 5 is arranged on the lock body 4 and the pawl 3; a stay cable supporting seat 14 is arranged at the pawl 3 end of the lock body 4, and a stay cable 15 passes through the stay cable supporting seat 14 and is fixedly connected with a zinc alloy cast head 16; the zinc alloy casting head 16 is clamped on the pawl 3; the upper part of the lock body 4 is also provided with an upper cover plate 1, and the lower part of the lock body 4 is also provided with a lower cover plate 7; be provided with hasp locating piece 9 on the 7 perpendicular of lower apron, the cover is equipped with hasp positioning spring 8 on the hasp locating piece 9, and hasp location shell 10 cover is established on hasp locating piece 9 and hasp positioning spring 8, hasp positioning shell 10 is established at 7 perpendicular of apron and riveting down through four buckle clamps. The ratchet shaft 12 penetrates through the upper cover plate 1, the lock body 4 and the lower cover plate 7, the upper end of the ratchet shaft 12 is riveted with the upper cover plate 1, and the lower end of the ratchet shaft is riveted with the lower cover plate 7. The pawl shaft 6 penetrates through the upper cover plate 1, the lock body 4 and the lower cover plate 7, the upper end of the pawl shaft 6 is riveted with the upper cover plate 1, and the lower end of the pawl shaft is riveted with the lower cover plate 7. And a clamping groove connected with the zinc alloy casting head 16 is arranged on the pawl 3.

During specific implementation, the damping block 11 is installed on the lock body 4, the ratchet shaft 12 is assembled in a ratchet hole of the lock body 4, the ratchet 2 is sleeved on the ratchet shaft 12, and the ratchet return spring 13 is assembled on the lock body 4 and the ratchet 2; assembling a pawl shaft 6 into a pawl hole of a lock body 4, sleeving a pawl 3 on the pawl shaft 6, and assembling a pawl return spring 5 onto the lock body 4 and the pawl 3; then the lower cover plate 7 is assembled on the lock body 4, the ratchet shaft 12 and the pawl shaft 6 penetrate through the lower cover plate 7, finally the upper cover plate 1 is assembled on the lock body 4, the ratchet shaft 12 and the pawl shaft 6 penetrate through the

upper cover plate

1, and 4 riveting points are riveted on two end faces of the ratchet shaft 12 and the pawl shaft 6; the lock catch positioning block 9 is arranged on the vertical surface of the lower cover plate 7, the lock catch positioning spring 8 is sleeved on the lock catch positioning block 9, then the lock catch positioning shell 10 is sleeved on the lock catch positioning spring 8 and the lock catch positioning block 9, and four buckles on the lock catch positioning shell 10 are clamped on the vertical surface of the lower cover plate 7 and are riveted. The invention optimizes the end structure of the auxiliary lock body, designs the stay cable zinc alloy cast head clamping end structure, adopts a clutch mechanical structure, ensures that the main lock matched with the auxiliary lock or the actuating mechanism is independent when the actuating mechanism is closed and locked, ensures that the auxiliary lock is not influenced by the environmental factors such as the relative action relationship of the main lock, the vibration and the like, and keeps the locking state. The zinc alloy cast head is clamped on the pawl, so that the stay cable anti-falling structure is added, and the main lock or the actuating mechanism which is matched with the stay cable is prevented from driving the stay cable to be linked to cause the stay cable to fall off. The auxiliary lock is generally used as an auxiliary lock, is matched with a rear double-door main lock body or a related actuating mechanism to complete the opening and closing functions of a side door, and can also be directly matched with a handle or a transmission mechanism to be used for opening and closing a pick-up truck container or other non-vehicle door systems needing to be opened and closed. It has the advantages of wide matching, strong universality and the like

The above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, but not intended to limit the scope of the present invention, and all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.

Claims

1. Vice lock, including upper cover plate (1), lower apron (7), lock body (4), its characterized in that: the lock body (4) is provided with a ratchet shaft (12) and a pawl shaft (6), the ratchet shaft (12) is provided with a ratchet (2), and a ratchet return spring (13) is arranged on the lock body (4) and the ratchet (2); the pawl shaft (6) is provided with a pawl (3), and a pawl return spring (5) is arranged on the lock body (4) and the pawl (3); a stay cable supporting seat (14) is arranged at the end of the pawl (3) on the lock body (4), and a stay cable (15) penetrates through the stay cable supporting seat (14) and is fixedly connected with a zinc alloy casting head (16); the zinc alloy casting head (16) is clamped on the pawl (3); the upper part of the lock body (4) is also provided with an upper cover plate (1), and the lower part of the lock body (4) is also provided with a lower cover plate (7); be provided with hasp locating piece (9) on apron (7) perpendicular down, the cover is equipped with hasp location spring (8) on hasp locating piece (9), and hasp location shell (10) cover is established on hasp locating piece (9) and hasp location spring (8), hasp location shell (10) are established apron (7) perpendicular and riveting under through four buckle clamps.

2. A secondary lock according to claim 1, wherein: the ratchet shaft 12 penetrates through the upper cover plate (1), the lock body (4) and the lower cover plate (7), the upper end of the ratchet shaft (12) is riveted with the upper cover plate (1), and the lower end of the ratchet shaft is riveted with the lower cover plate (7).

3. A secondary lock according to claim 1, wherein: the ratchet shaft (6) penetrates through the upper cover plate (1), the lock body (4) and the lower cover plate (7), the upper end of the ratchet shaft (6) is riveted with the upper cover plate (1), and the lower end of the ratchet shaft is riveted with the lower cover plate (7).

4. A secondary lock according to claim 1, wherein: and a clamping groove connected with the zinc alloy casting head (16) is arranged on the pawl (3).